Mate in 3 · No. 189 · Harder

Queen, bishop and two knights

White to play and mate in three.

Position

White
king on e8, queen on e1, bishop on d8, knights on c7 and g3, pawns on b2, c3, c4, g2 and h2
Black
king on f4, queen on e3, rook on a4, knight on a3, pawns on c6 and e6